51010005 has 16 divisors (see below), whose sum is σ = 81866304. Its totient is φ = 27121920.

The previous prime is 51009967. The next prime is 51010019. The reversal of 51010005 is 50001015.

51010005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51010005 - 2⁶ = 51009941 is a prime.

It is a super-2 number, since 2×51010005² = 5204041220200050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10 + ... + 10100.

It is an arithmetic number, because the mean of its divisors is an integer number (5116644).

Almost surely, 2^51010005 is an apocalyptic number.

It is an amenable number.

51010005 is a deficient number, since it is larger than the sum of its proper divisors (30856299).

51010005 is a wasteful number, since it uses less digits than its factorization.

51010005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10436.

The product of its (nonzero) digits is 25, while the sum is 12.

The square root of 51010005 is about 7142.1288843033. The cubic root of 51010005 is about 370.8672255631.

The spelling of 51010005 in words is "fifty-one million, ten thousand, five".